Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Datolite from
Francisco Brothers Quarry, Great Notch, Little Falls Township, Passaic County, New Jersey, USA


04134540017369466166217.jpg
Datolite, etc.

Francisco Brothers Quarry, Great Notch, Little Falls Township, Passaic County, New Jersey, USA
04134540017369466166217.jpg
Datolite, etc.

Francisco Brothers Quarry, Great Notch, Little Falls Township, Passaic County, New Jersey, USA
04400570017271981958230.jpg
Datolite, etc.

Francisco Brothers Quarry, Great Notch, Little Falls Township, Passaic County, New Jersey, USA
Locality type:Quarry
Classification
Species:Datolite
Formula:CaB(SiO4)(OH)
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Natrolite3
Calcite3
Prehnite1
Apophyllite Group1
Pectolite1
Data
Mineral Data:Click here to view Datolite data
Locality Data:Click here to view Francisco Brothers Quarry, Great Notch, Little Falls Township, Passaic County, New Jersey, USA
Data Identifiers
Mindat Occurrence Record ID:73198
Long-form Identifier:1:3:73198:8
GUID (UUID V4):0
Nearest other occurrences of Datolite
1.7km (1.1 miles) ⓘUnion Building and Construction Quarry, Woodland Park, Passaic County, New Jersey, USA
3.0km (1.8 miles) ⓘMcDowell's Quarry (Osborne and Marsellis Quarry), Upper Montclair, Montclair, Essex County, New Jersey, USA
3.2km (2.0 miles) ⓘRiverside Quarry, Woodland Park, Passaic County, New Jersey, USA
4.1km (2.5 miles) ⓘLower New Street Quarry, Paterson, Passaic County, New Jersey, USA
4.2km (2.6 miles) ⓘUpper New Street Quarry, Paterson, Passaic County, New Jersey, USA
5.1km (3.2 miles) ⓘMontclair, Montclair, Essex County, New Jersey, USA
5.6km (3.5 miles) ⓘHinchcliffe Stadium, Paterson, Passaic County, New Jersey, USA
6.1km (3.8 miles) ⓘMcKiernan & Bergin Quarry, Paterson, Passaic County, New Jersey, USA
6.1km (3.8 miles) ⓘHoxie's Quarry, Paterson, Passaic County, New Jersey, USA
6.5km (4.0 miles) ⓘF.J. Marley Quarry, Verona, Essex County, New Jersey, USA
References
Min. Collector: 15:113-118 (1908), Papke
Mins. of NYC & Its Environs, NY Min. Club (1931), Manchester, J.G.
Sachs, Walter P. (1940) The Story of the Great Notch Quarry. Rocks & Minerals, 15 (4) 111-115 doi:10.1080/00357529.1940.11762534
Peters, Joseph J. (1984) Triassic Traprock Minerals of New Jersey. Rocks & Minerals, 59 (4) 157-183 doi:10.1080/00357529.1984.11764472
 
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